1 //===----------------------------------------------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 // <string> 10 11 // template<class charT, class traits, class Allocator> 12 // basic_istream<charT,traits>& 13 // getline(basic_istream<charT,traits>& is, 14 // basic_string<charT,traits,Allocator>& str); 15 16 #include <string> 17 #include <sstream> 18 #include <cassert> 19 20 #include "min_allocator.h" 21 22 int main() 23 { 24 { 25 std::istringstream in(" abc\n def\n ghij"); 26 std::string s("initial text"); 27 getline(in, s); 28 assert(in.good()); 29 assert(s == " abc"); 30 getline(in, s); 31 assert(in.good()); 32 assert(s == " def"); 33 getline(in, s); 34 assert(in.eof()); 35 assert(s == " ghij"); 36 } 37 { 38 std::wistringstream in(L" abc\n def\n ghij"); 39 std::wstring s(L"initial text"); 40 getline(in, s); 41 assert(in.good()); 42 assert(s == L" abc"); 43 getline(in, s); 44 assert(in.good()); 45 assert(s == L" def"); 46 getline(in, s); 47 assert(in.eof()); 48 assert(s == L" ghij"); 49 } 50 #if TEST_STD_VER >= 11 51 { 52 typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S; 53 std::istringstream in(" abc\n def\n ghij"); 54 S s("initial text"); 55 getline(in, s); 56 assert(in.good()); 57 assert(s == " abc"); 58 getline(in, s); 59 assert(in.good()); 60 assert(s == " def"); 61 getline(in, s); 62 assert(in.eof()); 63 assert(s == " ghij"); 64 } 65 { 66 typedef std::basic_string<wchar_t, std::char_traits<wchar_t>, min_allocator<wchar_t>> S; 67 std::wistringstream in(L" abc\n def\n ghij"); 68 S s(L"initial text"); 69 getline(in, s); 70 assert(in.good()); 71 assert(s == L" abc"); 72 getline(in, s); 73 assert(in.good()); 74 assert(s == L" def"); 75 getline(in, s); 76 assert(in.eof()); 77 assert(s == L" ghij"); 78 } 79 #endif 80 } 81